下列何种情况与骨盆入口狭窄无关（）
A.外结合径
B.入口前后径
C.对角结合径
D.骨盆深度
E.入口形态
参考答案：D
I' ve told you ______ that you cannot go out and play until you' ve finished your homework.
A．once and for all
B．to all intents
C．all the way
D．in all respects
道床的参数包括：钢轨型号选取、轨枕规格、道蹅高度。
